They roll in it for the same reason they'll roll on anything "smelly"... it's a hunting instinct. Dogs do that to mask or cover their own scent.
Dogs poop what they eat.
no dogs tongues do not roll
Worms live in poop. By eating poop they have worms and barf
they roll in poop
dogs mostly roll when wanted to be petted or wants to play.
dogs enjoy pooping chickens!
Why do some dogs only poop once? Is it ok for dogs to poop only once?
yes
yes
Does he have a place to poop at your home? It could be because he does not want to poop at your home and has to poop when you walk him. Another reason could be because he is "marking his spot." Dogs do this often. They poop and it's like a message to other dogs. You may want to check that his poop is not diaheria, and regular poop. If it is diaheria, then it is a problem.
no